DSA-5022-1: apache-log4j2 security update

DSA-5022-1, released December 16, 2021, fixes 1 CVE in apache-log4j2 (version 2.16.0-1~deb11u1). One of them is being exploited (CVE-2021-45046); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.

Patch now1 on CISA KEVKnown ransomware useUnsupported product

CVEs closed

1 rated Critical

Exploited

CVE-2021-45046

Highest CVSS

9.0

Base score, 0 to 10

Highest EPSS

0.9998

99th percentile

Fixed package versions

Product	Release	Fixed in
apache-log4j2	Debian 11.6 (bullseye)	2.16.0-1~deb11u1

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Patch now	CVE-2021-45046	apache-log4j2: apache-log4j2 - security update	9.0	0.9998	KEVRansomwareExploited

Also fixes CVE-2021-45046

liblog4j2-java 2.16.0-0.20.04.1
liblog4j2-java on Ubuntu 20.04 LTS (focal)
DEBIAN-CVE-2021-45046
apache-log4j2 on Debian 12.15 (bookworm), Debian 13.5 (trixie), Debian 14

Vendor advisory

https://security-tracker.debian.org/tracker/CVE-2021-45046

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